Quito weather in September
September in Quito: nice, soaked, with clean air — a great time to visit.
#4 of 12 months in Quito · #348 of 604 destinations to visit in September · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Quito climate normals — September
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 194 mm / 7.6 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 8°C / 47°F | |
| Sunshine | 9 h/day | |
| Daylight | 12.1 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Quito?
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Quito in September — FAQ
- Is September a good time to visit Quito?
- September in Quito: nice, soaked, with clean air — a great time to visit. It ranks #4 of 12 months for Quito on SeasonMap's comfort score (78/100).
- What is the weather like in Quito in September?
- In September, Quito averages a daily high of 17.5°C and a low of 9.3°C, with about 194 mm of rain over roughly 28.2 rainy days.
- What is the air quality in Quito in September?
- Quito has a mean US Air Quality Index of about 33 in September.